Suppose our planet, the earth, suddenly shrinks in size, still remaining perfect spherical, then

Q: Suppose our planet, the earth, suddenly shrinks in size, still remaining perfect spherical, then

(a) The duration of day will decrease

(b) Everybody on its surface will become heavier

(c) The duration of year will remain unchanged

(d) The KE of rotation about its axis will increase

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Ans: (a) , (b) , (c) , (d)